Simulation and Statistical Analysis of Automatic Steering Control in the Random Waves

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  • 不規則波中における自動操舵のシミュレーシヨンと統計的解析(日本航海学会第41回講演会)
  • 不規則波中における自動操舵のシミユレーションと統計的解析
  • フキソクハ チュウ ニ オケル ジドウ ソウダ ノ シミユレーション ト トウケイテキ カイセキ

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Weather adjustment by backlash of the autopilots is now in common use, and, though there is much room for improvement, is getting more and more widely used bscause of its simplicity and its low cost. Our object here is to investigate the most suitable weather adjustment by backlash-how to minimize the loss caused by steering to correct the course deviation and then lessen the frequency of steering. In order to achieve the object, we adopted the technique by simulation and, exercising random disturbances upon the automatic steering control system, calculated the amount of the responses. As a result of these investigations, we could finally formulate the optimum adjustment: To adjust backlash to twice or three times the standard deviation in the case of rate control and to once or twice the standard deviation in the case of proportional control.

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